Author:Mathetha, Mokonyama T; Nkosi, Muzi KDate:Dec 2017The chapter evaluates the strenghts and limitations of the Green Star South Africa's rating scheme in respect of its transport environment category. The evaluation is necessary, among other things, to guide decision makers on the interpretation ...Read more
Author:Sinha Ray, J; Sinha Ray, SuprakashDate:Feb 2018The performance of a heterogeneous material, such as polymer nanocomposites (PNCs) is dictated by three main factors: (i) the inherent properties of the components; (ii) interfacial interactions; and (iii) structure of the PNCs. The structure ...Read more
Author:Grieve, G; Gouws, SDate:Apr 2010During the manufacture of Portland-type cements, significant emissions of carbon dioxide occur, some of which comes from the burning of fuel in the kiln, and the balance from the chemical dissociation of limestone (CaCO3). In South Africa the ...Read more
Author:Saasa, Valentine R; Mukwevho, E; Mwakikunga, Bonex WDate:Sep 2016There has been tremendous interest in ZnO as well as carbon materials; these are already in various technological devices. Work on the combination of ZnO and carbon materials is gaining interest [8-10] since these composites benefit from the ...Read more
Author:Dawood, Zubeida C; Keet, CMDate:Dec 2020Large and complex ontologies lead to usage difficulties, thereby hampering the ontology developers’ tasks. Ontology modules have been proposed as a possible solution, which is supported by some algorithms and tools. However, the majority of ...Read more
Author:Van Wyk, Llewellyn VDate:Apr 2010Sub-structure generally refers to those components of the building that are constructed below ground, although there are circumstances when sub-structure can also include components above ground such as supporting columns on steeply sloping ...Read more
Author:Conradie, Dirk CUDate:Oct 2016This article is about the experience of discomfort, applicable physics and some possible corrective actions in a very hot naturally ventilated office on the CSIR campus during the hottest summer in Pretoria on record, as reported by South ...Read more
Author:Van Schoor, MichaelDate:Jan 2015This chapter provides a brief overview of some of the most commonly encountered coal mining and exploration problems, where geophysics has either been called upon in the past to provide solutions, or it may be able to play a role in the future. ...Read more
Author:Celliers, LouisDate:2015The Western Indian Ocean (WIO) offers a wealth of opportunity for the profitable and beneficial use of coastal and marine resources – a prospect for a true ocean economy. These benefits are derived from a range of human activities in the ...Read more
Author:Conradie, Dirk CUDate:Dec 2017South Africa is blessed with some of the best quality sunshine in the world but at the same time has some of the most intense solar radiation. There are therefore many exciting opportunities to utilize the sun to its full potential in the ...Read more
Author:Van Wyk, Llewellyn VDate:Nov 2010The super-structure consists predominantly of the load- and no-load-bearing walls-including all doors and windows and suspended floor slabs. The building envelope plays a significant role in the performance of a building, especially with ...Read more
Author:Osunmakinde, I; Bagula, ADate:Apr 2009The authors propose a generalized model with configurable discretizer actuators as a solution to the problem of the discretization of massive numerical datasets. Their solution is based on a concurrent distribution of the actuators and uses ...Read more
Author:Chunilall, Viren; Bush, T; Larsson, PTDate:Aug 2013In chemical pulping the components that keep wood cells together, mainly lignin are degraded and dissolved in order to obtain fibres for the dissolving pulp and paper processes. The aqueous solutions of pulping chemicals are transferred from ...Read more
Author:John, Maya J; Anandjiwala, RDDate:2009This chapter presents an overview of some important surface modification techniques employed for improved functional behaviour of textiles. Textile materials are used in a variety of applications where surface modification is of profound ...Read more
Author:De Jager, Peta; De Jager, PetaDate:Dec 2021The coronavirus pandemic took the world by surprise in 2020. The virus created a dire need for new processes and interventions that needed to be adapted, adopted and proven. Although Covid-19 has been dominating all local and global ...Read more
Author:De Jager, PetaDate:Dec 2022The South African Institution of Civil Engineering (SAICE) recently published its latest infrastructure report card. Unsurprisingly, the findings reflected that in many instances our infrastructure assets are in poor and worsening shape. At ...Read more
Author:Van Wyk, Llewellyn VDate:Apr 2010Ecological building is building in a manner that integrates the ecological, cultural, economic and political elements of social-ecological systems in an effort to define sustainability in a rapidly changing world. Ecological building is ...Read more
Author:Masindi, Vhahangwele; Mbhele, Nkhangweleni R; Foteinis, SpyrosDate:Apr 2023Herein, the alkaline supernatant of a struvite recovery system from municipal wastewater was successfully co-managed with acid mine drainage (AMD). Various ratios (v/v) of AMD to struvite supernatant were examined, and the quality of the ...Read more
Author:Van Wyk, Llewellyn VDate:Oct 2015Conventional human settlement formation creates hard surfaces which impede the natural absorption of rainfall into the ground. Water collected from these hard surfaces has to be conveyed to some end destination where it is discharged. This ...Read more
Author:Van Wyk, Llewellyn V; Mapiravana, Joseph; Ampofo-Anti, NDate:Jan 2012Most buildings up to the early nineteenth century, with the notable exception of prestigious public buildings, were constructed from easily available local materials. In the nineteenth century, developments in transport modes enabled the ...Read more